Determine the measure of ZA.

45.6°
57.7°
55.2°
32.3°

Which fraction below is equivalent to 10/12?

For what value of x does 4x = (1/8) x + 5?

Find the measure of the interior angles of the following regular polygons: a triangle, a quadrilateral, a pentagon, an octagon, a decagon, a 30-gon, a 50-gon, and a 100-gon.